Utilities > Gas Utilities:
- South Jersey Industries Inc. (SJI)
- Niska Gas Storage Partners Llc (NKA)
- Centerpoint Energy, Inc. (CNP)
- Rgc Resources Inc. (RGCO)
- New Jersey Resources Corp. (NJR)
- Laclede Group Inc. (LG)
- Delta Natural Gas Co. Inc. (DGAS)
- Summit Midstream Partners, Lp (SMLP)
- Cheniere Energy Partners Lp Holdings Llc (CQH)
- Chesapeake Utilities Corporation (CPK)
- Gas Natural Inc. (EGAS)
- China Natural Gas, Inc. (CHNGQ)
- Agl Resources Inc. (GAS)
- Atmos Energy Corporation (ATO)
- Oneok Inc. (OKE)
- Amerigas Partners Lp (APU)
- Integrys Energy Group, Inc. (TEG)
- Uil Holdings Corporation (UIL)
- Questar Corporation (STR)
- Transportadora De Gas Del Sur (TGS)
- National Grid Plc (NGG)
- Southcross Energy Partners, L. (SXE)
- Wgl Holdings Inc. (WGL)
- Clean Energy Fuels Corp. (CLNE)
- Suburban Propane Partners, L.p (SPH)
- Piedmont Natural Gas Co. Inc. (PNY)
- Southwest Gas Corporation (SWX)
- Northwest Natural Gas Company (NWN)